add test for oversized inodes

Signed-off-by: Zen <[email protected]>

Author: desultory

tests/test_cpio.py

@@ -7,6 +7,7 @@
 
 from pycpio import PyCPIO
 from pycpio.header import CPIOHeader
+from pycpio.cpio import CPIOData
 from zenlib.logging import loggify
 
 from cpio_test_headers import newc_test_headers, build_newc_header
@@ -145,5 +146,11 @@ def test_invalid_symlink_target(self):
         test_symlink.symlink_to('/a/totally/nonexistent/path')
         self.cpio.append_recursive(self.workdir.name)
 
+    def test_large_inode(self):
+        """ Tests handling of inode numbers larger than 0xFFFFFFFF """
+        entry = CPIOData.create_entry('large_inode_test', inode=0x1FFFFFFFF, logger=self.logger)
+        # Should be reset to 0
+        self.assertEqual(entry.header.ino, b'00000000')
+
 if __name__ == '__main__':
     main()